{"record":{"id":"6de7f1b85af0f73c","repo":"GoogleContainerTools/skaffold","slug":"getting-metadata-accessor-w","errorCode":null,"errorMessage":"getting metadata accessor: %w","messagePattern":"getting metadata accessor: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/skaffold/deploy/label/labels.go","lineNumber":92,"sourceCode":"\n\treturn nil\n}\n\nfunc addLabels(labels map[string]string, accessor metav1.Object) {\n\tkv := make(map[string]string)\n\n\tcopyMap(kv, labels)\n\tcopyMap(kv, accessor.GetLabels())\n\n\taccessor.SetLabels(kv)\n}\n\nfunc updateRuntimeObject(ctx context.Context, client dynamic.Interface, disco discovery.DiscoveryInterface, labels map[string]string, res deploy.Artifact, kubeContext string) error {\n\toriginalJSON, _ := json.Marshal(res.Obj)\n\tmodifiedObj := res.Obj.DeepCopyObject()\n\taccessor, err := meta.Accessor(modifiedObj)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting metadata accessor: %w\", err)\n\t}\n\tname := accessor.GetName()\n\n\taddLabels(labels, accessor)\n\n\tmodifiedJSON, _ := json.Marshal(modifiedObj)\n\tp, _ := patch.CreateTwoWayMergePatch(originalJSON, modifiedJSON, modifiedObj)\n\n\tnamespaced, gvr, err := util.GroupVersionResource(disco, modifiedObj.GetObjectKind().GroupVersionKind())\n\tif err != nil {\n\t\treturn fmt.Errorf(\"getting group version resource from obj: %w\", err)\n\t}\n\n\tif namespaced {\n\t\tvar namespace string\n\t\tif accessor.GetNamespace() != \"\" {\n\t\t\tnamespace = accessor.GetNamespace()\n\t\t} else {","sourceCodeStart":74,"sourceCodeEnd":110,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/pkg/skaffold/deploy/label/labels.go#L74-L110","documentation":"updateRuntimeObject deep-copies the deployed object and calls meta.Accessor to obtain its ObjectMeta via the meta/v1 Accessor interface. This error means the object does not implement the interfaces needed to expose metadata (GetObjectKind plus a metadata accessor), so labels cannot be attached to it.","triggerScenarios":"A deploy.Artifact whose Obj is not a proper k8s API runtime.Object with ObjectMeta — e.g. a custom/unregistered type, nil object, or a type from an API group lacking the MetadataAccessor implementation.","commonSituations":"Deploying CRDs through custom renderers whose manifests decode into unstructured/generic types without metadata; passing objects decoded into the wrong Go type; a bug in a custom deployer feeding results into labeling.","solutions":["Check the deployed manifest decodes into a valid Kubernetes object with metadata (name field present)","If using unstructured objects, convert via unstructured.Unstructured which implements the accessor interfaces","Update Skaffold — upstream fixes have addressed accessor issues for newer API types","File a bug with the manifest/GVK that triggers it if the object is a standard built-in type"],"exampleFix":"// before\nvar obj interface{} = someCustomStruct\n// after\nu := &unstructured.Unstructured{}\nu.UnmarshalJSON(manifestBytes) // implements meta.Accessor","handlingStrategy":"type-guard","validationCode":null,"typeGuard":"func hasMetadata(obj runtime.Object) bool {\n    if obj == nil { return false }\n    _, err := meta.Accessor(obj)\n    return err == nil\n}","tryCatchPattern":"accessor, err := meta.Accessor(modifiedObj)\nif err != nil {\n    return fmt.Errorf(\"object %T lacks ObjectMeta, skipping labels: %w\", modifiedObj, err)\n}","preventionTips":["Decode manifests into typed or unstructured k8s objects, not plain structs","Ensure objects have metadata.name set","Test custom deployers with standard built-in kinds","Keep Skaffold updated for new API type support"],"tags":["kubernetes","metadata","runtime-object"],"backgroundTag":"missing-kubernetes-object-metadata","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}